Enhanced performance of polymer: fullerene bulk heterojunction solar cells upon graphene addition
被引:52
作者:
Robaeys, Pieter
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Hasselt Univ, Inst Mat Res IMO, Diepenbeek, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Robaeys, Pieter
[1
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Bonaccorso, Francesco
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Univ Cambridge, Cambridge Graphene Ctr, Cambridge, England
Ist Italiano Tecnol, Graphene Labs, I-16163 Genoa, ItalyHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Bonaccorso, Francesco
[2
,3
]
Bourgeois, Emilie
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Hasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
IMEC VZW, IMOMEC, Leuven, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Bourgeois, Emilie
[1
,4
]
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D'Haen, Jan
[1
,4
]
Dierckx, Wouter
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Hasselt Univ, Inst Mat Res IMO, Diepenbeek, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Dierckx, Wouter
[1
]
Dexters, Wim
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Hasselt Univ, Inst Mat Res IMO, Diepenbeek, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Dexters, Wim
[1
]
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Spoltore, Donato
[1
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Drijkoningen, Jeroen
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Hasselt Univ, Inst Mat Res IMO, Diepenbeek, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Drijkoningen, Jeroen
[1
]
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Liesenborgs, Jori
[5
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Lombardo, Antonio
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Univ Cambridge, Cambridge Graphene Ctr, Cambridge, EnglandHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Lombardo, Antonio
[2
]
Ferrari, Andrea C.
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Univ Cambridge, Cambridge Graphene Ctr, Cambridge, EnglandHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Ferrari, Andrea C.
[2
]
Van Reeth, Frank
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Hasselt Univ, Expertise Ctr Digital Media EDM, Diepenbeek, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Van Reeth, Frank
[5
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Haenen, Ken
[1
,4
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Manca, Jean V.
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机构:
Hasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
IMEC VZW, IMOMEC, Leuven, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Manca, Jean V.
[1
,4
]
Nesladek, Milos
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Hasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
IMEC VZW, IMOMEC, Leuven, BelgiumHasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
Nesladek, Milos
[1
,4
]
机构:
[1] Hasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium
[2] Univ Cambridge, Cambridge Graphene Ctr, Cambridge, England
[3] Ist Italiano Tecnol, Graphene Labs, I-16163 Genoa, Italy
[4] IMEC VZW, IMOMEC, Leuven, Belgium
[5] Hasselt Univ, Expertise Ctr Digital Media EDM, Diepenbeek, Belgium
Graphene has potential for applications in solar cells. We show that the short circuit current density of P3HT (Poly(3-hexylthiophene-2,5-diyl):PCBM((6,6)-Phenyl C61 butyric acid methyl ester) solar cells is enhanced by 10% upon the addition of graphene, with a 15% increase in the photon to electric conversion efficiency. We discuss the performance enhancement by studying the crystallization of P3HT, as well as the electrical transport properties. We show that graphene improves the balance between electron and hole mobilities with respect to a standard P3HT:PCBM solar cell. (C) 2014 AIP Publishing LLC.